[Skip to Content]
[Skip to Content Landing]
JAMA Clinical Guidelines Synopsis
June 5, 2018

Evaluation and Management of Patients With Syncope

Author Affiliations
  • 1Pritzker School of Medicine, University of Chicago, Chicago, Illinois
  • 2University of Chicago, Chicago, Illinois
JAMA. 2018;319(21):2227-2228. doi:10.1001/jama.2017.21992

Syncope, defined as a transient loss of consciousness due to global cerebral hypoperfusion, is a common symptom encountered in clinical practice that currently accounts for 0.8% to 2.4% of all ED visits.1 The prognosis of syncope varies according to etiology, with 1-year mortality estimates ranging from 0% among patients with vasovagal syncope to 30% in patients with cardiac syncope.2